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Density/Relative Density of Light Hydrocarbons by Pressure Thermohydrometer Test Method Density and relative density measurements of light hydrocarbons, including LPG, are used for transportation, storage and regulatory purposes. The measurement is made by floating a thermohydrometer in a sample that has been introduced into a pressure cylinder. Pressure Hydrometer Cylinder • Conforms to ASTM D1657 and related specifications • Built-in safety relief valve Transparent plastic cylinder mounted between machined aluminum end plates and surrounded by stainless steel safety guard. Use together with ASTM 310H Thermohydrometer to determine density or relative density of LPG and light hydrocarbons. Equipped with inlet, outlet and vapor vent valves for admitting sample and purging cylinder. End plates have positive sealing buna-N O-rings and are joined by sturdy steel support rods. Top plate detaches easily without tools for insertion or removal of thermohydrometer. Safety relief valve prevents unsafe pressure build-up inside cylinder. Mounted on a finished steel base. Specifications Dimensions dia.xh,in.(cm) 1 3 Conforms to the specifications of: 8 ⁄4x23 ⁄4 (21x60) ASTM D1657; GPA 2140; Net Weight: 5 lbs (2.3kg) IP 235; IS0 3993; NF M 41-008 Safety relief valve: 200psi (1.4MPa)

Ordering Information Catalog No. K26150 Pressure Hydrometer Cylinder Accessories 251-000-001 ASTM 101H Thermohydrometer Nominal Relative Density Range: 0.500 to 0.650 Standard Temperature, °F: 60/60 Temperature Range, °F: 30 to 90 251-000-004 ASTM 310H Thermohydrometer Density Range kg/m3: 500-650 Standard Temperature, °C: 15 Temperature Range, °C: 0 to 35 K26150 Pressure Hydrometer Cylinder

Constant Temperature Water Bath • Conforms to ASTM D1657 and related specifications Dimensions lxwxh,in.(cm) Shipping Information • Mechanically refrigerated for convenient sub-ambient temperature operation Bath interior: 12x18x22(30x46x56) Shipping Weight: 186 lbs (84.4kg) Immerses two Pressure Hydrometer Cylinders at 60°F (15°C) for density and Overall: 18x20x49 (46x51x124) Dimensions: 15.4 Cu. ft. relative density determinations of LPG and other light hydrocarbons. Net Weight: 158 lbs (71.7kg) Mechanically refrigerated cooling system maintains sub-ambient temperature. Thermistor activated solid state temperature controller and 750W copper Ordering Information immersion heater maintain bath temperature with ±0.5°F (±0.2°C) stability. A Catalog No. 1 ⁄20 hp ball bearing stirrer circulates the bath medium to assure temperature K25900 Constant Temperature Water Bath, 115V 60Hz uniformity. Stainless steel tank is fiberglass insulated. Equipped with overflow K25990 Constant Temperature Water Bath, 220-240V 60Hz standpipe/drain. Steel exterior has a durable polyurethane enamel finish. K25995 Constant Temperature Water Bath, 220-240V 50Hz Specifications Accessories Conforms to the specifications of: ASTM D1657; IP 235; ISO 3993 250-000-12F ASTM 12F Thermometer. Range –5 to +215°F Controller Sensitivity: ±0.5°F (±0.2°C) 250-000-12C ASTM 12C Thermometer. Range –20 to +102°C Capacity: two (2) K26150 cylinders Electrical Requirements: For NIST traceable certified thermometers, please refer to the ASTM Thermometer section on 115V 60Hz, Single Phase, 12.5A pages 184 through 191. 220-240V 50 or 60Hz, Single Phase, 6.4A

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